hg: jdk/submit13: 8227368: EnumSet.class serialization broken in JDK 9+

[peter.levart at gmail.com]

Changeset: 7fd4446c02ee
Author:    plevart
Date:      2019-07-13 10:43 +0000
URL:       https://hg.openjdk.java.net/jdk/submit13/rev/7fd4446c02ee

8227368: EnumSet.class serialization broken in JDK 9+
Reviewed-by: smarks

! src/java.base/share/classes/java/util/EnumSet.java
! test/jdk/java/util/EnumSet/BogusEnumSet.java
+ test/jdk/java/util/EnumSet/EnumSetClassSerialization.java